Disclosure of Invention
The invention aims to solve the problems that in the prior art, a drill rod cannot be automatically assembled and disassembled, and oil cannot be automatically fed for lubrication, so that the automation degree of equipment is low, and a large amount of labor force is needed for matching.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a non-excavation directional drilling pipe laying construction method comprises the following steps:
A. preparing early construction; digging an inlet pit and an outlet pit according to a guide track in the design data, and placing construction equipment near the inlet pit;
B. automatically prolonging drilling; drilling holes from an inlet pit through construction equipment, automatically assembling and extending the drill rods step by step through an automatic disassembly and assembly mechanism and an automatic oiling mechanism, then drilling the drill rods into soil layers one by one, and moving the drill rods to an outlet pit along a designed guide track;
C. the back hauling is automatically disassembled; after connecting the pipeline with the back-dragging device and the guide rod of the drill rod, the construction equipment lays the pipeline in a rotary back-dragging mode, and in the back-dragging process, the drill rod is automatically and gradually detached through an automatic disassembly and assembly mechanism and an automatic oiling mechanism;
D. finishing paving; the pipeline is dragged back into the inlet pit by the drill rod and the guide rod to finish the laying of the pipeline, and then the dragging device and the guide rod are disassembled to finish the non-excavation directional drilling pipe laying;
the non-excavation directional drilling pipe laying construction equipment used by the non-excavation directional drilling pipe laying construction method comprises a lifting guide rail frame, wherein an automatic dismounting mechanism and an automatic oiling mechanism are respectively installed on the lifting guide rail frame, the automatic dismounting mechanism comprises a drill rod box which is inserted and fixed on the lifting guide rail frame, the automatic oiling mechanism comprises two positioning plates which are symmetrically fixed on the lifting guide rail frame, each positioning plate is provided with a hydraulic machine, each hydraulic machine is provided with a hydraulic column, one end of each hydraulic column, which is far away from the hydraulic machine, is extended between the two positioning plates and is provided with an arc opening clamping plate, two supporting sliding openings are symmetrically formed in the side wall of the drill rod box, two supporting sliding openings are symmetrically installed with two supporting rods together, each supporting rod is provided with a limiting supporting plate, and one end of each supporting rod, which is close to the automatic oiling mechanism, is extended to the outer side of the drill rod box and is respectively fixed on the two arc opening clamping plates.
Further, two bar sliding openings are symmetrically formed in the side wall of the drill rod box, four fixing plates are symmetrically arranged on the outer side wall of the drill rod box, sliding rods are commonly arranged on the fixing plates at two on the same side, controllable sliding sleeves are commonly and slidably arranged on the sliding rods, the controllable sliding sleeves slidably penetrate through the two bar sliding openings, two dismounting seats are symmetrically and fixedly arranged on one side, close to an automatic oiling mechanism, of the controllable sliding sleeves, hydraulic telescopic rods are respectively arranged on the dismounting seats, and clamping dismounting plates are commonly arranged at one ends, far away from the dismounting seats, of the hydraulic telescopic rods.
Further, a plurality of restriction bayonet sockets have been seted up to the symmetry on the lateral wall of drilling rod case, every all slide in the restriction bayonet socket and insert and be equipped with the cardboard, a plurality of homonymy the cardboard is kept away from the one end of drilling rod case and is all extended to the outside of drilling rod case and common fixed mounting have the synchronizing plate, every the equal fixed mounting in clearance department that lies in between a plurality of cardboard on the synchronizing plate has a plurality of reset springs, every reset spring keeps away from the one end of synchronizing plate and all fixes on the lateral wall of drilling rod case.
Further, the upper surface symmetry fixed mounting that the controllable sliding sleeve is located the drilling rod case outside has two extrusion poles, every the equal fixed mounting in upper end of extrusion pole has inclined plane extrusion piece, every the inclined plane of inclined plane extrusion piece all with the synchronizing plate keep away from the one end butt contact of automatic oiling mechanism.
Further, every equal fixed mounting of upper surface of arc mouth splint has the hydraulic pressure seat, every equal fixed mounting has hydraulic piston rod on the hydraulic pressure seat, two sealed slip cap jointly is equipped with hydraulic piston pipe between the hydraulic piston rod, hydraulic piston pipe's middle part is inserted respectively and is equipped with one-way oil pipe and two one-way oil pipes of arranging, every arc mouth splint is close to the equal fixed mounting of one side of drilling rod case has arc brush oil box, two one-way oil pipe of arranging extends to respectively to two arc brush oil boxes in.
Further, install drilling machine system on the lifting guide rail frame, install extension screw thread head pole on the drilling machine system, two guiding holes have been seted up respectively on the lateral wall of drilling rod case, two arc brush oil box are located drilling rod case and are close to the guiding hole department of automatic oiling mechanism one side, extension screw thread head pole, controllable sliding sleeve and two arc brush oil box all are located the axis of two guiding holes, extension screw thread head pole slides and rotates and insert and establish on controllable sliding sleeve, the screw thread head external diameter of extension screw thread head pole is less than the internal diameter of controllable sliding sleeve, the pole footpath of extension screw thread head pole is greater than the internal diameter of controllable sliding sleeve, the brush hair internal diameter of arc brush oil box equals the screw thread head external diameter of extension screw thread head pole.
The advantages are that: through the cooperation of automatic dismouting mechanism and automatic oiling mechanism and rig system, realize the automation of drilling rod assemble one by one and creep into and dismantle one by one automatically, the operation is more convenient, and can oil to the assembly connection screw thread end automatically, need not manual operation, and efficiency is higher, and degree of automation is higher.
Drawings
FIG. 1 is a schematic structural diagram of a non-excavation directional drilling pipe laying construction method and equipment according to the present invention;
FIG. 2 is an enlarged view of a portion of an automatic disassembly and assembly mechanism and an automatic oiling mechanism of a trenchless directional drilling pipe laying construction method and apparatus according to the present invention;
FIG. 3 is a schematic illustration of a drill pipe box section of a method and apparatus for trenchless directional drilling pipe laying construction in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of an automatic oiling mechanism of a trenchless directional drilling pipe laying construction method and apparatus in accordance with the present invention;
FIG. 5 is an enlarged view of FIG. 2 at A;
fig. 6 is an enlarged view of fig. 3 at B.
In the figure: the device comprises a lifting guide rail frame 1, a drilling machine system 2, an extension screw head rod 21, an automatic disassembly and assembly mechanism 3, a drill rod box 31, a guide hole 32, a strip-shaped sliding port 33, a limiting bayonet 34, a supporting sliding port 35, an automatic oiling mechanism 4, a positioning plate 41, a hydraulic machine 42, a hydraulic column 43, a clamping plate 44, a fixing plate 5, a sliding rod 51, a clamping plate 6, a synchronous plate 61, a return spring 62, a controllable sliding sleeve 7, a squeezing rod 71, a bevel squeezing block 72, a disassembling seat 73, a hydraulic telescopic rod 74, a clamping and disassembling plate 75, a supporting rod 8, a limiting supporting plate 81, a hydraulic seat 9, a hydraulic piston rod 91, a hydraulic piston tube 92, a unidirectional oil pumping tube 93, a unidirectional oil discharging tube 94 and a 95 arc-shaped oil brushing box.
Detailed Description
Referring to fig. 1, 2 and 3, a non-excavation directional drilling pipe laying construction method and apparatus, comprising the steps of:
A. preparing early construction; digging an inlet pit and an outlet pit according to a guide track in the design data, and placing construction equipment near the inlet pit;
B. automatically prolonging drilling; drilling holes from an inlet pit through construction equipment, automatically assembling and extending drill rods step by step through an automatic disassembly and assembly mechanism 3 and an automatic oiling mechanism 4, then drilling the drill rods into soil layers one by one, and moving the drill rods to an outlet pit along a designed guide track;
C. the back hauling is automatically disassembled; after connecting the pipeline with the back-dragging device and the guide rod of the drill rod, the construction equipment lays the pipeline in a rotary back-dragging mode, and in the back-dragging process, the drill rod is automatically and gradually detached through the automatic disassembly and assembly mechanism 3 and the automatic oiling mechanism 4;
D. finishing paving; the pipeline is dragged back into the inlet pit by the drill rod and the guide rod to finish the laying of the pipeline, and then the dragging device and the guide rod are disassembled to finish the non-excavation directional drilling pipe laying;
the trenchless directional drilling pipe laying construction equipment used in the trenchless directional drilling pipe laying construction method comprises a lifting guide rail frame 1, an automatic dismounting mechanism 3 and an automatic oiling mechanism 4 are respectively installed on the lifting guide rail frame 1, the automatic dismounting mechanism 3 comprises a drill rod box 31 which is inserted and fixed on the lifting guide rail frame 1, the automatic oiling mechanism 4 comprises two positioning plates 41 which are symmetrically fixed on the lifting guide rail frame 1, a hydraulic machine 42 is installed on each positioning plate 41, a hydraulic column 43 is installed on each hydraulic machine 42, one end of each hydraulic column 43, which is far away from the hydraulic machine 42, extends between the two positioning plates 41 and is provided with an arc opening clamping plate 44, two supporting sliding openings 35 are symmetrically arranged on the side wall of the drill rod box 31, two supporting rods 8 are symmetrically installed in a sliding mode together, a limit supporting plate 81 is installed on each supporting rod 8, and one end, which is close to the automatic oiling mechanism 4, of each supporting rod 8 extends to the outer side of the drill rod box 31 and is respectively fixed on the two arc opening clamping plates 44;
when the two arc clamping plates 44 clamp the assembly or disassembly of the drill rod, the distance between the two limiting support plates 81 is reduced through the support rods 8, namely, the drill rod which falls down in the drill rod box 31 or enters the drill rod box 31 is supported, the drill rod is prevented from falling off, the assembly and disassembly area at the bottom of the drill rod box 31 can be provided with only one drill rod, and the assembly and disassembly stability of the drill rod is ensured.
Referring to fig. 2, 3 and 6, two bar-shaped sliding ports 33 are symmetrically formed in the side wall of the drill rod box 31, four fixing plates 5 are symmetrically installed on the outer side wall of the drill rod box 31, sliding rods 51 are jointly installed on the two fixing plates 5 on the same side, a controllable sliding sleeve 7 is jointly installed on the two sliding rods 51 in a sliding mode, the controllable sliding sleeve 7 slides through the two bar-shaped sliding ports 33, two dismounting seats 73 are symmetrically and fixedly installed on one side, close to the automatic oiling mechanism 4, of the controllable sliding sleeve 7, hydraulic telescopic rods 74 are installed on each dismounting seat 73, and clamping dismounting plates 75 are jointly installed on one ends, far away from the dismounting seats 73, of the two hydraulic telescopic rods 74 on the same side;
the controllable sliding sleeve 7 slides on the sliding rod 51 under the external air hole or the electric control equipment, so that under the action of the drilling machine system 2 and the extension thread head rod 21, a drill rod in the drill rod box 31 can be pushed to move to the automatic oiling mechanism 4, and the function of automatically assembling the drill rod is realized;
the hydraulic telescopic rod 74 can enable the clamping and detaching plate 75 to clamp or loosen under the control of external hydraulic equipment, namely, can be matched with the drilling machine system 2 and the extension threaded head rod 21 to clamp a drill rod, so that the extension threaded head rod 21 can be separated from the drill rod in the rotation process of the drilling machine system 2, and the function of automatically detaching the drill rod is realized.
Referring to fig. 2, 3, 5 and 6, a plurality of limiting bayonets 34 are symmetrically formed on the side wall of the drill rod box 31, clamping plates 6 are slidably inserted in each limiting bayonet 34, one ends of the clamping plates 6 on the same side far away from the drill rod box 31 extend to the outer side of the drill rod box 31 and are fixedly provided with a synchronous plate 61 together, a plurality of return springs 62 are fixedly arranged at gaps between the clamping plates 6 on each synchronous plate 61, and one end of each return spring 62 far away from the synchronous plate 61 is fixed on the outer side wall of the drill rod box 31;
the upper surface of the controllable sliding sleeve 7, which is positioned outside the drill rod box 31, is symmetrically and fixedly provided with two extrusion rods 71, the upper end of each extrusion rod 71 is fixedly provided with an inclined extrusion block 72, and the inclined surface of each inclined extrusion block 72 is in abutting contact with one end of the synchronous plate 61, which is far away from the automatic oiling mechanism 4;
when the controllable sliding sleeve 7 pushes the drill rod to drill, the extrusion rod 71 drives the inclined extrusion block 72 to move and extrude the synchronous plates 61, so that the two synchronous plates 61 move into the drill rod box 31 and compress the reset spring 62, the end part of the clamping plate 6 moves into the drill rod box 31, the drill rod above the drill rod which is being drilled can be separated, namely, when the controllable sliding sleeve 7 pushes the drill rod to drill and return, the drill rod above the drill rod cannot fall, the drilling of the drill rod is not influenced, and one-by-one automatic alignment drilling can be realized, so that the drilling depth can be stably and orderly increased by construction equipment.
Referring to fig. 4, the upper surface of each arc clamping plate 44 is fixedly provided with a hydraulic seat 9, each hydraulic seat 9 is fixedly provided with a hydraulic piston rod 91, a hydraulic piston pipe 92 is sleeved between the two hydraulic piston rods 91 in a sealing sliding manner, a one-way oil suction pipe 93 and two one-way oil discharge pipes 94 are respectively inserted in the middle of the hydraulic piston pipe 92, one side of each arc clamping plate 44 close to the drill rod box 31 is fixedly provided with an arc oil brushing box 95, and the two one-way oil discharge pipes 94 respectively extend into the two arc oil brushing boxes 95;
when the arc clamping plates 44 loosen the drill rod, the two hydraulic piston rods 91 are far away from the hydraulic piston tube 92, so that the hydraulic piston tube 92 generates suction force to suck lubricating oil in an external lubricating oil tank into the hydraulic piston tube 92 through the one-way oil sucking tube 93, when the arc clamping plates 44 clamp the drill rod, namely, the two arc clamping plates 44 are close to each other, so that the hydraulic piston rod 91 moves towards the hydraulic piston tube 92 to discharge the internally extracted lubricating oil into the arc-shaped oil brushing box 95 through the two one-way oil discharging tubes 94 and infiltrates bristles of the inner ring through infiltration, in the assembly process of the drill rod, the threaded heads of the drill rod enter the two arc-shaped oil brushing boxes 95 to be in contact with lubrication, after the assembly is finished, the two arc-shaped clamping plates 44 are separated to separate the two arc-shaped oil brushing boxes 95, lubrication is stopped, and the waste of the lubricating oil is avoided, and the drill rod continues to drill at the moment.
Referring to fig. 1, 3 and 6, a drilling machine system 2 is installed on a lifting guide rail frame 1, an extension screw thread head rod 21 is installed on the drilling machine system 2, two guide holes 32 are respectively formed in the side wall of a drill rod box 31, two arc-shaped oil brushing boxes 95 are positioned at the guide holes 32 on one side of the drill rod box 31, which is close to an automatic oiling mechanism 4, the extension screw thread head rod 21, a controllable sliding sleeve 7 and the two arc-shaped oil brushing boxes 95 are all positioned on the axes of the two guide holes 32, the extension screw thread head rod 21 is slidably and rotatably inserted on the controllable sliding sleeve 7, the screw thread head outer diameter of the extension screw thread head rod 21 is smaller than the inner diameter of the controllable sliding sleeve 7, the rod diameter of the extension screw thread head rod 21 is larger than the inner diameter of the controllable sliding sleeve 7, and the bristle inner diameters of the arc-shaped oil brushing boxes 95 are equal to the screw thread head outer diameter of the extension screw thread head rod 21;
the extension thread head rod 21 is connected with the drill rod by inserting the controllable sliding sleeve 7, namely the drilling machine system 2 provides thrust for the controllable sliding sleeve 7 through the extension thread head rod 21, and the controllable sliding sleeve 7 can provide supporting force for the extension thread head rod 21, so that bending caused by long-distance work is avoided, and reliability is improved.
Specifically, the guide rod is assembled between the two arc clamping plates 44, at this time, the automatic oiling mechanism 4 discharges lubricating oil into the arc brushing oil box 95 through the hydraulic piston pipe 92 and the one-way oil discharge pipe 94 to infiltrate the bristles, the two limiting support plates 81 are made to be close to each other through the two support rods 8 to realize support, then all the required drill rods are placed into the drill rod box 31, and the drill rod at the bottom falls on the two limiting support plates 81.
The drilling machine system 2 pushes the extension screw head rod 21 to be inserted on the controllable sliding sleeve 7 through the guide hole 32, so that the extension screw head rod 21 is aligned with the axis of the drill rod, then the extension screw head rod 21 pushes the controllable sliding sleeve 7 and the drill rod to move towards the guide rod at the same time, the threaded end of the drill rod is contacted with the guide rod in the arc-shaped oil brushing box 95, the threaded section of the drill rod is lubricated, and the drilling machine system 2 controls the extension screw head rod 21 to rotate, so that the extension screw head rod 21 is in threaded connection with the drill rod and the drill rod is in threaded connection with the guide rod.
The two arc clamping plates 44 are loosened, and at the moment, the hydraulic piston tube 92 absorbs oil through the one-way oil suction tube 93, so that lubrication is facilitated in the next assembly, and the drilling machine system 2 continues to rotate to push the drill rod through the extension thread head rod 21, so that the guide rod rotates to drive the drill rod to drill.
When the controllable sliding sleeve 7 slides, the extrusion rod 71 and the inclined extrusion block 72 move to extrude the synchronous plate 61, so that the synchronous plate 61 pushes the clamping plate 6 to be inserted into the drill rod box 31 to lock a drill rod above the drill rod, only one drill rod drills and is not influenced by other drill rods, when the controllable sliding sleeve 7 completely returns, the synchronous plate 61 resets the clamping plate 6 under the action of the reset spring 62, so that the drill rods fall down to one drilling area, and automatic assembly drilling one by one is realized;
when the drill rod is pulled back, the drill system 2 pulls the drill rods to return through the rotation of the extension threaded head rod 21, when one drill rod completely enters the drilling area of the drill rod box 31, the arc clamping plate 44 clamps the other adjacent drill rod, the drill system 2 enables the drill rod to be separated from the drill rod through controlling the rotation of the extension threaded head rod 21, then the hydraulic telescopic rod 74 controls the clamping and dismounting plate 75 to move and clamp the drill rod in the drilling area, the extension threaded head rod 21 rotates to enable the extension threaded head rod to be separated from the drill rod, then the arc clamping plate 44 is controlled to be released, the two arc clamping plates 44 drive the two support rods 8 to be separated, the two limiting support plates 81 are separated, the drill rod is dismounted from the bottom of the drill rod box 31, then the arc clamping plate 44 clamps the drill rod again, and the controllable sliding sleeve 7 completely returns, so that the automatic dismounting function is realized.